Galenic formulation containing biotin

The invention relates to topically applicable galenic formulations which contain one or more compounds selected from biotin, the physiologically tolerable salts of biotin, biotin esters and the stereoisomeric forms of these compounds and one or more compounds selected from urea and urea derivatives and are suitable for the cosmetic or medicinal treatment of skin, hair and/or nails, for example for the treatment of diseases or functional disorders of human or animal skin, hair and/or nails. The invention relates to galenic formulations which contain a) one or more compounds selected from biotin, its physiologically compatible salts, biotin esters and the steroisomeric forms of these compounds; and b) one or more compounds selected from urea and urea derivatives. The above formulations are suitable for use as topically administered formulations for the cosmetic and/or medical treatment of the skin, hair and/or nails.